Combination antihypertensive therapy with valsartan and hydrochlorothiazide in Chinese patients with mild-to-moderate hypertension.

Objectives: To compare the efficacy and safety of valsartan (VAL)/HCTZ 80/12.5 mg with VAL 80 mg in Chinese patients with mild-to-moderate essential hypertension not adequately controlled with VAL 80 mg alone.

Research Design And Methods: This was a multicenter, double-blind, double-dummy, randomized, active-controlled, parallel-group trial.